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#46
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Re: Q&A:612 Rock Wall Dimension Change
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The Rock Wall is 4.625" tall overall relative to the platform, it is 4.50" if you are not counting the thickness of the material that makes up the base flanges. So it will be 4.625" Tall and 5.25" Wide at Competition. |
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#47
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Re: Q&A:612 Rock Wall Dimension Change
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#48
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Re: Q&A:612 Rock Wall Dimension Change
I'm trying to temper my frustrations by knowing that this probably doesn't ruin my team's robot or anything like that, and that FIRST didn't seem to have any good options here. They're doing what they can do now to fix it. But it's just such an amateurish mistake to make.
Does FIRST just not inspect their parts? Surely when someone got the part and measured it, they were comparing the measurement to a number written on some kind of drawing somewhere. They just don't verify dimensions against prints? Or they released the wrong print? What gives? And the geometry of a 4.5" wide hat section isn't exactly rocket science for a supplier to make either. Dozens of teams have made their own without incident. I guess I'm just venting. There's nothing else that can be done. While you're probably right, it was also "obviously" 4.5 inches wide too... |
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#49
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Re: Q&A:612 Rock Wall Dimension Change
I'll agree on that. It's not like it's different from the 4" hat sections for 2012. I could probably walk out to our shop and have the fab guys knock them out in a few hours. Heck, there's enough fabricating resources in all of FRC that HQ could probably put out a request and get the parts donated to them by a team or teams in less time than going through their current supplier.
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#50
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Re: Q&A:612 Rock Wall Dimension Change
Hey mistakes happen, especially in the manufacturing and design industry (quite often in fact). But I'm glad to see they released their rationale and the behind the scenes decisions that led to their choice. Luckily tho this change I can't really see hurting any team at all, cause if anything its much easier to not get stuck on the rock wall now.
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#51
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Re: Q&A:612 Rock Wall Dimension Change
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#52
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Re: Q&A:612 Rock Wall Dimension Change
In the context of the entire field it's pretty safe to assume the drawing is right in this regard. You can't weld aluminum to steel and every baseplate for every defense is steel.
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#53
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Re: Q&A:612 Rock Wall Dimension Change
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#54
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Re: Q&A:612 Rock Wall Dimension Change
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That being said, I do believe I've seen some PLASTIC welded to steel by the same process. |
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#55
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Re: Q&A:612 Rock Wall Dimension Change
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#56
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Re: Q&A:612 Rock Wall Dimension Change
I think they just forgot to update the Q&A, as they've responded via blog post and via Team Update changing drawings.
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#57
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Re: Q&A:612 Rock Wall Dimension Change
An actual quote from one of our parent mentors working on field build: "the wood field dimensions are stupid, half of them are completely wrong." I find it astounding that FIRST could have missed so many blatant mistakes in the field dimensions this year. Already, people are finding out that the dodgeballs vary significantly in mass (the reason for this has yet to be determined) and they aren't actually 10 inches in diameter. The rough terrain in the team-built field dimensions is completely different from the actual rough terrain. They literally modified a major dimension a third of the way into the season. It seems like the GDC wasn't quite prepared for this game to actually be released. (and, if we're pointing fingers, I would say the same thing about last years game... seriously, how did they not think of the noodle agreement?)
That being said, I'd be very surprised if an extra half inch on the rock wall would make or break your drivetrain. Actually, if it somehow does, I'd want to reassess how the drivetrain is designed in the first place. |
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#58
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Re: Q&A:612 Rock Wall Dimension Change
Quote:
https://youtu.be/s7hx5bSWqRM?t=20 |
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#59
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Re: Q&A:612 Rock Wall Dimension Change
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I was not disappointed. |
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#60
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Re: Q&A:612 Rock Wall Dimension Change
Here are the TOP 10 ways to weld aluminum to steel. Number 8 will blow your mind!
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